Researchers have developed a medical device which they say can find malaria (疟疾)
infections in the human body. The laser beam scanner(激光扫描器) is the first device that
can find the sometimes deadly disease without going inside the body. The test is painless,
which does not need blood from a person, and appears to he right every time it is done.
The newly developed device only needs a person to place a finger on a laser device. Doctor
Dmitri Lopotko, a researcher at Rice University in Houston, Texas. \a laser
beam scanner very short light pulse through the skin. And this light pulse is absorbed only by
malaria parasites(寄生虫) because of the wavelength we use. And in response to this short
light pulse, the parasite gradually explodes,\
The light pulse comes from a low-powered laser. It has less power than a laser point. It
shines on the hemozoin (疟原虫色素) which is produced by the malaria parasite once it has
infected red blood cells. Hemozoin crystals (晶体) are not found in red cells that are not
infected with malaria. As the crystals are heated by the laser, they create small bubbles inside
inf'ected cells Doctor Lopotko says the bubbles exploded, and then make a sound that
scientists can hear and count. \normal cells,\
he said. Doctor Lopotko says when researchers tested the device, it was never wrong.
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And it
was able to find malaria infection early when treatment is very important. The device can be carried and uses its batteries. It costs about 10,000 t0 20,000 dollars t。
make. But Doctor Lopotko says considering the number of people it can test, that is not a lot
of money. \So the
cost of analysis for each patient will be less than 50 cents,\he said People without medical
training can use the device to discover whether people are infected with malaria 32. What can we know about the Laser beam scanner according to the text? A It needs blood from a people.
B. It may cause great pains to patients. C. It needs to be put into men's body. D. It can find people's malaria accurately.
33. Which of the following about hemozoin is mentioned in the text? A It produces red blood cells. B. It's found in normal red cells. C. It comes from a low-powered laser. D. It's produced by the malaria parasite.
34. From the text we can infer that the laser beam scanner A test on both our hands
B. will cost people less than ten thousand to make C. can test many people who are infected with malaria D. is widely used m treating malaria
35. In which column of a newspaper can we read this text? A Entertainment news B. Medical report C. Science fiction D. Travel guidance 第二节(共5小题;每小题2分,满分10分)
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根据短文内容,从短文后的选项中选出能填A空白处的最佳选项。选项中有两项为多余选 项。
A student's life is never easy. 36 A lot of preparations are needed so you can be sure
to go hack home with a diploma and a bright future waiting for you. The following are some
basic things you need to do before even seizing that passport and boarding on the plane;
●Knowing the country.
You shouldn't bother researching the country's hottest tourist spots or historical places.
You won't go there as a tourist, but as a student. It'll be helpful to read the most important
points in their history and to read up on their culture. 37 You surely don't want to face
legal problems, especially if you're away from home. ●Studying their language.
Don't expect that you can graduate abroad without knowing even the basics of the language. Before leaving your home country, take online lessons to at least master some of
their words and sentences.____38 Doing this will also prepare you in communicating with
those who can't speak English ● 39
Check the conversion(兑换)of your money to their local currency, set up your bank
account so you can use it there, get an insurance, and find an apartment. The Internet or your
intended school will be very helpful in finding an apartment and helping you understand
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local currency.
Remember, you're not only carrying your own reputation but your country's reputation
as well. If you act foolishly, people there might think that all of your countrymen are foolish as well. 40 .
A Packing your clothes. B_ Preparing for other needs.
C. Most importantly, read about their laws. D This will he useful in living and studying there.
E. That would surely be a very bad start for your study abroad program. F. Going with their trends will keep it from being too obvious that you're a foreigner.
G. And it is even more difficult if you will have to complete your study in a foreign land.
第三部分英语知识运用(共两节,满分45分)
第一节完形填空(共20小题;每小题 5分,满分30分)
阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最 佳选项。
Henry Ford was an American industrialist, the founder of the Ford Motor Company.
When Henry Ford decided to produce his famous v-8 motor, he chose to build an 41 with
the entire eight cylinders(气缸)put together, and instructed his engineers to 42 a design
for the engine. The design was placed on paper, but all the engineers agreed that it was just
43 to make up an eight-cylinder engine m real life.
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